Dafydd ab Owain Gwynedd

Dafydd ab Owain Gwynedd (1145-1203) was King of Gwynedd from 1170 to 1195, succeeding Hywel ab Owain Gwynedd and preceding Llywelyn the Great.

Biography
Dafydd ab Owain Gwynedd was born in Gwynedd, Wales in 1145, the son of Owain Gwynedd and Cristin ferch Goronwy ab Owain. In 1157, he fought against King Henry III of England in a skirmish at Basingwerk, during which Henry was nearly killed. In 1170, following Owain Gwynedd's death, Dafydd and his brother Rhodri ab Owain Gwynedd attacked and killed their brother Hywel ab Owain Gwynedd, and he became the sole ruler of Gwynedd. In 1175, Rhodri attacked Dafydd and seized all of Gwynedd west of the Conwy, and Dafydd was able to keep the eastern half. In 1194, his nephew Llywelyn the Great defeated Dafydd at Aberconwy, and he was driven from power in 1195. He died in 1203.